fixed refresh logic (initial patch by Igor Kovalenko)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2077 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
parent
979b67ad86
commit
550be12730
12
hw/tcx.c
12
hw/tcx.c
@ -31,7 +31,7 @@ typedef struct TCXState {
|
||||
uint32_t addr;
|
||||
DisplayState *ds;
|
||||
uint8_t *vram;
|
||||
unsigned long vram_offset;
|
||||
ram_addr_t vram_offset;
|
||||
uint16_t width, height;
|
||||
uint8_t r[256], g[256], b[256];
|
||||
uint8_t dac_index, dac_state;
|
||||
@ -86,8 +86,8 @@ static void tcx_draw_line8(TCXState *s1, uint8_t *d,
|
||||
static void tcx_update_display(void *opaque)
|
||||
{
|
||||
TCXState *ts = opaque;
|
||||
uint32_t page;
|
||||
int y, page_min, page_max, y_start, dd, ds;
|
||||
ram_addr_t page, page_min, page_max;
|
||||
int y, y_start, dd, ds;
|
||||
uint8_t *d, *s;
|
||||
void (*f)(TCXState *s1, uint8_t *d, const uint8_t *s, int width);
|
||||
|
||||
@ -95,8 +95,8 @@ static void tcx_update_display(void *opaque)
|
||||
return;
|
||||
page = ts->vram_offset;
|
||||
y_start = -1;
|
||||
page_min = 0x7fffffff;
|
||||
page_max = -1;
|
||||
page_min = 0xffffffff;
|
||||
page_max = 0;
|
||||
d = ts->ds->data;
|
||||
s = ts->vram;
|
||||
dd = ts->ds->linesize;
|
||||
@ -154,7 +154,7 @@ static void tcx_update_display(void *opaque)
|
||||
ts->width, y - y_start);
|
||||
}
|
||||
/* reset modified pages */
|
||||
if (page_max != -1) {
|
||||
if (page_min <= page_max) {
|
||||
cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
|
||||
VGA_DIRTY_FLAG);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user